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Networking Exam 1
Exam 1
27
Computer Networking
Undergraduate 4
10/19/2016

Additional Computer Networking Flashcards

 


 

Cards

Term

 

When a router can’t determine a path to a message’s destination, where does it send the message?

   
 
a. 

Default route

 
b. 

Default gateway

 
c. 

Gateway of last resort

 
d. 

Routing table

Definition
c. Gateway of last resort
Term

 

By default, the pathping command sends how many pings per hop?
   
 
a. 
 
b. 
 
c. 
 
d. 
Definition
c. 100
Term

 

What type of device does a computer turn to first when attempting to make contact with a host on another network?

 
 
 
a. 

Default gateway

 
b. 

Root server

 
c. 

DNS server

 
d. 

DHCP server

 
Definition
a. Default gateway
Term

 

What computers are the highest authorities in the Domain Name System hierarchy?

 
 
 
a. 

Primary DNS server

 
b. 

Authoritative name servers

 
c. 

Top-level domain servers

 
d. 

Root servers

 
Definition

d. Root servers

 

Term

 

What version of SMB can be used across Windows, UNIX, and other operating systems?

 
 
 
a. 

CIFS (Common Internet File System)

 
b. 

MGCP (Media Gateway Control Protocol)

 
c. 

RDP (Remote Desktop Protocol)

 
d. 

SIP (Session Initiation Protocol)

 
Definition
a. CIFS (Common Internet File System)
Term

 

A ___________ is a DNS client that requests information from DNS name servers.
Definition
resolver
Term
The Network layer header identifies sending and receiving hosts by their _________________.
Definition
IP Addresses
Term

 

___________ is an unsecured client server application / protocol that transfers files between two computers.
Definition
FTP
Term

 

The IP addresses 169.254.0.1 and 169.254.255.254 are both examples of ___________________.
Definition
Automatic Private IP Addressing (APIPA)
Term
The receiving host de-encapsulates the message at each layer in _______ order and then presents the payload to the receiving application.
Definition
reverse
Term

 

In IPv6, what field is used to indicate what sequence of packets from one source to one or multiple destinations a packet belongs to?
   
 
a. 
 
b. 
 
c. 
 
d. 
Definition
d. flow label
Term

 

When messages to a remote Web server are being lost for no apparent reason and you suspect the problem might be a path MTU black hole, which TCP/IP utility can you use to diagnose the problem?

   
 
a. 

nbtstat

 
b. 

ping

 
c. 

traceroute

 
d. 

netstat

Definition
b. ping
Term

 

What netstat command option lists only current connections, including IP addresses and port numbers?
   
 
a. 
 
b. 
 
c. 
 
d. 
Definition
d. -n
Term
A ______________ consists of a host's IP address and the port number of an application running on a host, with a colon separating the two values.
Definition
socket
Term

 

Which statement actually describes SMTP?

 
 
 
a. 

SMTP is a connectionless protocol that uses UDP

 
b. 

SMTP is a connection-based protocol that uses TCP

 
c. 

SMTP is a connection-based protocol that uses UDP

 
d. 

SMTP is a connectionless protocol that uses TCP

 
Definition
b. SMTP is a connection-based protocol that uses TCP
Term
Voice and video transmissions are _______________, meaning you don't want to hear breaks in your conversation or see a buffering message when you watch a movie over the Internet.
Definition
delay-sensitive
Term
What mail protocol is used to send mail messages to a server?
 
 
 
a. 
 
b. 
 
c. 
 
d. 
Definition
SMTP
Term

 

Static electricity can cause what two types of damage in electronic components?
   
:
a. 
 
b. 
 
c. 
 
d. 
Definition
upset failure and catastrophic failure
Term
The segment or datagram protocol data unit exists at what layer of the OSI model?
 
 
 
a. 
 
b. 
 
c. 
 
d. 
Definition
transport layer
Term

 

What protocol is commonly used to request configuration files from another computer?
   
 
a. 
 
b. 
 
c. 
 
d. 
Definition
TFTP
Term

 

 
 
What two ipconfig commands below are used to show DNS resolver cache information and clear the name resolver cache?
 
a. 
 
b. 
 
c. 
 
d. 
Definition
flush and display
Term

 

Which part of a MAC address is unique to each manufacturer?

 
 
 
a. 

The network identifier

 
b. 

The OUI

 
c. 

The device identifier

 
d. 

The physical address

 
Definition
the OUI
Term

 

What RFC outlines recommendations for private IP addresses?
   
 
a. 
 
b. 
 
c. 
 
d. 
Definition
RFC 1918
Term

Which protocol’s header would a Layer 4 device read and process?

   
 
a. 

ARP

 
b. 

IP

 
c. 

HTTP

 
d. 

TCP

Definition
TCP
Term

 

Which layers of the OSI model are all routers able to interpret?
   
 
a. 
 
b. 
 
c. 
 
d. 
Definition
3 and 4
Term

 

What is the name for a client-server model with one server and many clients, such as when an application is used to watch a live sports event?
   
 
a. 
 
b. 
 
c. 
 
d. 
Definition
d. multicast distribution
Term

A routing protocol’s reliability and priority are rated by what measurement?

   
 
a. 

Latency

 
b. 

MTU

 
c. 

Routing table

 
d. 

AD

Definition
AD
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